3900075

素因数分解:

$3^1\times 5^2\times {\mathrm{149}}^1\times {\mathrm{349}}^1$

素因数の和:511

約数の個数: 24

約数和(自身を含む): 6510000

約数和(自身を除く): 2609925

約数列:

[1, 3, 5, 15, 25, 75, 149, 349, 447, 745, 1047, 1745, 2235, 3725, 5235, 8725, 11175, 26175, 52001, 156003, 260005, 780015, 1300025, 3900075]

約数ペア:

[(1, 3900075), (3, 1300025), (5, 780015), (15, 260005), (25, 156003), (75, 52001), (149, 26175), (349, 11175), (447, 8725), (745, 5235), (1047, 3725), (1745, 2235)]